Wilo Helix EXCEL 1004-2/25/V/KS Notice De Montage Et De Mise En Service page 42

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5. Product information
5.1 Type key
Example: Helix EXCEL 414­1/16/E/KS
Helix
EXCEL
4
14
­1
16
/E
/KS
42
High­efficiency multistage in­line pump in vertical design
Equipped with a frequency converter
Rated flow rate in m 3 /h
Number of stages
1 = pump housing in stainless steel 304 + hydraulics in stainless steel 304
2 = pump housing in stainless steel 316L + hydraulics in stainless steel 316L
3 = pump housing in cast GJL ­250 + hydraulics in stainless steel 304
25 = PN25 flanges
16 = PN16 flanges
E = EPDM O­rings (WRAS/KTW)
V = VITON O-rings
K = cartridge mechanical seal +system orientation
WILO SE 04/2020